Home / 30,098.44-41,515.21-20,650.60

Finding the Fourth Proportional to 30,098.44, 41,515.21 and 20,650.60

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Solution

The fourth proportional to 30,098.44, 41,515.21 and 20,650.60 is: 28,483.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,098.44 : 41,515.21 = 20,650.60 : x
  2. Step 2: Convert to fraction form
    30,098.44/41,515.21 = 20,650.60/x
  3. Step 3: Cross multiply
    30,098.44x = 41,515.21 × 20,650.60
  4. Step 4: Simplify right side
    30,098.44x = 857,313,995.63
  5. Step 5: Solve for x
    x = 857,313,995.63/30,098.44
  6. Step 6: Final answer
    x = 28,483.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.